Service difficulty report · Floorbeam · Boeing 737924ER

Difficulty date
September 24, 2025
Submitted
September 26, 2025
Operation
Air carrier
Aircraft
N75435
Make and model
Boeing 737924ER
Aircraft serial
33529
Aircraft time
51,181 hours, 18,376 cycles
Part
Floorbeam
Part number
147A5506
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MAIN CABIN FLOORBEAM AT STA 987 RBL45 CORRODED AT GIRT BAR FITTING HOLE. CORROSION LEVEL. 2 - OUT OF LIMITS ON PRIMARY STRUCTURE. REPAIRED BS 987 FLOORBEAM AT RBL 45 IAW SRM 53-70-51-2R-6.